# 三字经：拼音朗读国学经典 vs A4打印纸

The clearest difference is in-app purchases: 三字经：拼音朗读国学经典 at none against A4打印纸's 3. 三字经：拼音朗读国学经典 also leads on iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. A4打印纸 sells 3 in-app purchases, starting at $0.99 per 7 days. 三字经：拼音朗读国学经典 asks for nothing beyond the download.

## The numbers

| Metric | 三字经：拼音朗读国学经典 | A4打印纸 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 3 days |
| Size | 20 MB | 112 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [路野 姜](https://appshunter.io/developer/1657291634) |

## What reviewers say

### 三字经：拼音朗读国学经典

[App page](https://appshunter.io/ios/app/id6746627894)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### A4打印纸

[App page](https://appshunter.io/ios/app/a4-a4/id6804610434)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周订阅会员 | $0.99 | per 7 days |
| 年订阅会员 | $1.99 | per year |
| 永久付费会员 | $0.99 | one-time |


## Frequently asked questions

### Is 三字经：拼音朗读国学经典 free?

三字经：拼音朗读国学经典 is free to download, with no in-app purchases.

### Is A4打印纸 free?

A4打印纸 is free to download, with in-app purchases available.

### Do 三字经：拼音朗读国学经典 or A4打印纸 have ads?

Both 三字经：拼音朗读国学经典 and A4打印纸 show ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*